CN216685901U

CN216685901U - Lid pivoting mechanism and open-close lid device

Info

Publication number: CN216685901U
Application number: CN202122688890.8U
Authority: CN
Inventors: 徐健
Original assignee: Shanghai Townew Intelligent Technology Co Ltd
Current assignee: Shanghai Townew Intelligent Technology Co Ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-06-07
Anticipated expiration: 2031-11-04

Abstract

The application provides a lid pivoting mechanism and a device for opening and closing a lid. The cover body pivoting mechanism comprises a connecting seat and a cover body capable of rotating relative to the connecting seat, and further comprises a pivoting shaft, the pivoting shaft is a hollow metal pipe, the pivoting shaft penetrates through the connecting seat and is rotatably connected with the connecting seat, and the pivoting shaft is fixed on the cover body. The pivoting mechanism of the cover body provided by the utility model has good strength and more balanced force transmission, so that the cover body is more stably opened and closed, the pivoting mechanism is not easy to damage, and the wiring of a connecting line can be facilitated and the connecting line can be protected from being damaged. The cover opening and closing device comprises the cover body pivoting mechanism.

Description

Lid pivoting mechanism and open-close lid device

Technical Field

The utility model relates to the technical field of garbage cans, in particular to a cover body pivoting mechanism and a cover opening and closing device.

Background

The garbage bin is common domestic article, and the kind of garbage bin is also diversified, and the garbage bin that has the bung is comparatively common garbage bin promptly. The garbage bin that has the bung can cover the rubbish in the bucket, can reduce the effluvium of peculiar smell in the garbage bin on the one hand, and on the other hand has also avoided the user to see the discomfort that rubbish brought directly perceivedly. In the prior art, a lid of a trash can with a lid is usually hinged to a can body and opened and closed in a rotating manner, and the lid is opened, for example, by a pedal lever or by a snap-fit torsion spring. However, the trash can with the rotary cover in the prior art has the structure that the trash can is hinged to the can cover and the can body, the trash can is usually directly molded on the can cover and the can body, the trash can is usually made of the same plastic materials as the can cover and the can body, the matching area of the trash can is usually small, and the trash can is low in strength.

In addition, with the improvement of the technology and the improvement of the life quality of people, the household garbage can product is also improved towards intellectualization, for example, the opening and closing of the can cover of the garbage can be controlled by an electric component. For the garbage can controlled to be opened and closed by the electrical component, a motor and a flat cable are often required to be arranged near the hinged position of the can cover and the can body, and the flat cable is easily dragged by the opening and closing action at the hinged position, so that the flat cable is scattered, and the connection and the falling of the flat cable, even the flat cable is pulled apart and pinched off, and the like are easily caused.

In view of the above, a new technical solution is needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a cover body pivoting mechanism and a cover opening and closing device.

The utility model is realized by the following technical scheme: a cover body pivoting mechanism comprises a connecting seat and a cover body capable of rotating relative to the connecting seat, wherein the cover body pivoting mechanism further comprises a pivoting shaft, the pivoting shaft is a hollow metal pipe, the pivoting shaft penetrates through the connecting seat and is connected with the connecting seat in a rotating mode, and the pivoting shaft is fixed on the cover body.

Optionally, the pivot axis is a non-circular tube with rounded corners.

Optionally, the pivot shaft is a round-corner square tube.

Optionally, a first shaft seat is arranged on the connecting seat, a second shaft seat is arranged on the cover body, the pivot shaft penetrates through the first shaft seat and the second shaft seat to connect the connecting seat and the cover body in a pivot mode, and two end portions of the pivot shaft are fixed on the cover body.

Optionally, the cover pivoting mechanism includes a routing corner connector, the routing corner connector is sleeved on the end portion of the pivoting shaft, and the routing corner connector is fixed on the cover.

Optionally, the pivot shaft and the routing corner connector are fixed by screws.

Optionally, the two end portions of the pivot shaft and/or the side wall of the pivot shaft are provided with wire routing holes.

Optionally, a plurality of screw holes are formed in the side wall of the pivot shaft, and the cover body pivot mechanism further includes a connecting part fixed to the side wall of the pivot shaft by screws.

Optionally, the cover pivoting mechanism includes a link assembly, the connecting member includes a sleeve sleeved on the pivoting shaft, and a connecting rod connecting portion connected to the link assembly is provided on the sleeve.

Optionally, the cover pivoting mechanism includes a torsion spring sleeved on the pivoting shaft, and the connecting member includes a limiting member limiting the torsion spring to slide on the pivoting shaft.

The utility model also provides a cover opening and closing device which comprises a driving part and the cover body pivoting mechanism, wherein the moment applied to the pivoting shaft by the driving part drives the pivoting shaft to rotate around the central axis of the pivoting shaft so as to drive the cover body to rotate relative to the connecting seat to open and close.

The pivoting mechanism of the cover body provided by the utility model has the following beneficial effects: 1. the pivot shaft and the cover body are separated parts and are fixed on the cover body, so that the structure for pivoting on the cover body is simplified, and the cover body is easy to form; 2. the pivoting shaft is a metal part, so that the pivoting shaft has better rigidity and strength, has larger contact area with the cover body, and more balanced force transmission, so that the cover body is more stable to open and close, and the pivoting mechanism is not easy to damage; 3. the pivot shaft is arranged in a hollow mode, the weight of the pivot shaft is light, large driving force is not needed, the load of the driving piece can be reduced, and the hollow structure can facilitate wiring of the connecting line and protect the connecting line from being damaged.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.

Fig. 1 is a perspective view of a trash can according to the present invention.

Fig. 2 is a perspective view of a cover of the trash can according to the present invention.

Fig. 3 is an exploded perspective view of the opening and closing cover device of the present invention.

Fig. 4 is a perspective assembly view of the opening and closing cover device of the present invention.

Fig. 5 is an exploded view of the pivot shaft and parts assembled therewith of the opening and closing cover device of the present invention.

Fig. 6 is an assembly view of the pivot shaft of the opening and closing cover device of the present invention and the components to which it is partially assembled.

Description of reference numerals: 1-a barrel body; 11-a connecting seat; 111-a first axle seat; 112-a flexible member; 2-a cover body; 21-big cover; 211-second shaft seat; 22-a small cover; 31-a motor; 312-a motor mount; 3-a linkage assembly; 32-a second link; 33-a first link; 34-a connecting shaft; 4-a pivot axis; 401-end routing holes; 402-lateral routing holes; 403-screw holes; 5-sleeving a pipe; 51-a first connection; 52-a second connection; 6-torsion spring; 65-a limiter; 7-routing corner connectors; 8-a linear damper; 81-telescopic rod.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. The following description refers to the accompanying drawings in which the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present application, but are merely examples of apparatus and methods consistent with certain aspects of the present application.

The following describes a lid pivoting mechanism and a lid opening and closing device according to the present application in detail with reference to the accompanying drawings. The features in the embodiments described below may be combined with each other without conflict.

Referring to fig. 1 to 6, the present application provides a cover pivoting mechanism and a cover opening and closing device having the same. The cover body pivoting mechanism comprises a connecting seat 11 and a cover body 2 which is rotatably connected to the connecting seat 11, the cover body pivoting mechanism further comprises a pivoting shaft 4, the pivoting shaft 4 is a hollow metal pipe, the pivoting shaft 4 penetrates through the connecting seat 11 and is hinged to the connecting seat 11, and the pivoting shaft 4 is fixed on the cover body 2. The cover opening and closing device comprises a driving part and a cover body pivoting mechanism, wherein the moment applied to the pivoting shaft 4 by the driving part drives the pivoting shaft 4 to rotate around the central axis of the pivoting shaft 4 so as to drive the cover body 2 to rotate and open and close relative to the connecting seat 11.

Referring to fig. 3 and 4, the cover body 2 and the connecting seat 11 are both substantially rectangular, and the connecting seat 11 is hinged to a middle position of one end of the cover body 2, so that when the cover body 2 and the connecting seat 11 rotate relatively, the stress on the cover body 2 is balanced. A first shaft seat 111 is arranged at one end of the connecting seat 11, which is hinged to the cover body 1, so that the pivot shaft 4 can be rotatably installed in a penetrating manner. In this embodiment, first axle seat 111 is including being located the perforation of controlling both ends department and being located between the perforation of both ends department, and many strengthening ribs that set up side by side, be provided with the arc surface on many strengthening ribs to form and be cylinder or semi-cylindrical space, pivot axle 4 wears to establish on the first axle seat 111 of connecting seat 11 and can be in rotate around self the central axis in the first axle seat 111. The cover body 2 is provided with a second shaft seat 211 correspondingly installed with the first shaft seat 111, the second shaft seat 211 comprises a space with an opening at the rear side and the bottom side and a side wall at the other side, and the size and the shape of the space are matched with the size and the shape of the first shaft seat 111 of the connecting seat 11, so that the first shaft seat 111 can be installed in the space formed by the second shaft seat 211. Through holes are formed in the left side wall and the right side wall of the second shaft seat 211, the connecting seat 11 is inserted into a space formed by the second shaft seat 211 through the first shaft seat 111, through holes at the left end and the right end of the first shaft seat 111 correspond to through holes at the left side and the right side of the second shaft seat 211, the pivot shaft 4 penetrates through the through holes and the through holes, two ends of the pivot shaft 4 are exposed out of the second shaft seat 211, and the second shaft seat 211 is fixed on the cover body 2, so that the pivot connection between the connecting seat 11 and the cover body 2 is realized.

Referring to fig. 3 and 4, in the present embodiment, the cover pivoting mechanism further includes a link assembly 3, and the cover 2 is driven to open and close by a driving member and the link assembly 3. The driving member may be an electric motor, a hydraulic device, a pneumatic device, or the like. In this embodiment, the driving member is a motor 31, the motor 31 is fixed on the connecting base 11 through a motor fixing member 312, the connecting rod assembly 3 includes a first connecting rod 33 and a second connecting rod 32, the second connecting rod 32 is connected between the motor 31 and the first connecting rod 33, and the first connecting rod 33 and the second connecting rod 32 are hinged and connected through a connecting shaft 34. The connecting base 11 is provided with a flexible member 112, the flexible member 112 may be foam, rubber pad, or the like, and may be mounted on the connecting base 11 in an adhesive manner, or may be mounted on the connecting base 11 in a manner of providing a clamping groove for clamping the flexible member 112. The flexible member 112 can abut against the connecting rod assembly 3 when the connecting rod assembly 3 drives the cover 2 to be opened in place, so as to play a role in buffering, and reduce impact force and impact noise between the connecting rod assembly 3 and the connecting seat 11. It should be noted that in the present embodiment, the second link 32 is in the shape of a flat block, rather than a distinct bar, but this is not to be denied in the nature of a link with one end rotatable around the other end.

Referring to fig. 4 to 6, the connecting rod assembly 3 applies a force on a circumferential side wall of the pivot shaft 4 to drive the pivot shaft 4 to rotate around its central axis. The pivot shaft 4 is a hollow non-circular metal tube with two through ends. The pivot axis 4 may be a steel tube, an aluminum tube, or the like. Since the pivot shaft 4 is driven by the motor 31 to rotate, although the pivot shaft 4 is not provided with a circular tube, it is not desirable to provide a sharp corner to prevent the rotation from being hindered, and therefore the pivot shaft 4 is provided with a non-circular tube with a smooth corner. In this embodiment, the pivot shaft 4 is a round square tube. The provision of the pivot shaft 4 as a non-circular tube may allow the pivot shaft 4 to have a locating function to facilitate mounting with other components and may avoid undesired relative rotation between the pivot shaft 4 and other components. Wire holes are further formed in the two end portions and the side wall of the pivot shaft 4, connecting wires can penetrate into or penetrate out of the hollow cavity of the pivot shaft 4 from the wire holes, the wires of the connecting wires in the hollow cavity of the pivot shaft 4 can be protected by the pivot shaft 4, and the connecting wires are not prone to scattering and damage. In this embodiment, the wiring holes include an end wiring hole 401 and a side wiring hole 402, but only the end wiring hole 401 or only the side wiring hole 402 may be provided as required. The pivot shaft 4 is further provided with a plurality of screw holes 403, and the screw holes 403 are used for fixing the connecting part on the side wall of the pivot shaft 4 through screws. The connecting parts can be specifically a sleeve 5, a limiting part 65, a wiring corner connector 7 and the like. Referring to fig. 3, a torsion spring 6 is sleeved on the pivot shaft 4, and an elastic restoring force generated after the torsion spring 6 is elastically deformed under pressure can assist the opening of the cover body 2, so that an acting force of opening the cover of the motor 31 can be shared, the noise of the motor 31 is reduced, and the service life of the motor 31 is prolonged. The torsion spring 6 is a double torsion spring, and the wire diameter of the torsion spring is smaller on the premise of meeting the torque requirement by adopting the double torsion spring, so that the assembly is facilitated. Specifically, the torsional spring 6 includes two helical spring bodies, connects in the intermediate junction section between two helical spring bodies and certainly two sections of drawing forth that the tip of two helical spring bodies extended, the intermediate junction section forms first torque arm, two sections of drawing forth form the second torque arm. The torsion spring 6 is sleeved on the pivot shaft 4, and the torsion spring 6 is limited on the pivot shaft 4 by a limiting member 65. The limiting member 65 is a plastic member, and is locked and fixed on the pivot shaft 4 by a screw, the limiting member 65 is installed between two spiral spring bodies of the torsion spring 6, and is pressed above the first torsion arm, so that after the installation, the limiting member 65 limits the torsion spring 6 to slide on the pivot shaft 4, and simultaneously, the first torsion arm transmits force to the pivot shaft 4 by pressing the limiting member 65 to drive the pivot shaft 4 to rotate. The second torsion arm of the torsion spring 6 is abutted with the connecting seat 11. When the cover body 2 is closed, the rotation of the pivot shaft 4 drives the limiting piece 65 to press the first torsion arm of the torsion spring 6, and the torsion spring 6 elastically deforms to store energy; when the cover 2 is opened, the elastic restoring force of the torsion spring 6 provides a force to rotate the pivot shaft 4 in a direction to open the cover 2, thereby sharing the force that the motor 31 needs to provide. In the present embodiment, there are 2 torsion springs 6.

With continued reference to fig. 5 and 6, the connecting member includes a sleeve 5 that fits over the pivot shaft 4. The sleeve 5 is a plastic part and includes a base body, and a first connecting portion 51 and a second connecting portion 52 provided on the base body. The base body is a hollow tubular body, the shape and the size of the hollow tube are matched with those of the peripheral wall of the pivot shaft 4, and the hollow tube is sleeved on the pivot shaft 4 and can be relatively fixed with the pivot shaft 4 in the circumferential direction without relative rotation. The side wall of the sleeve 5 comprises a plurality of side faces and arc-shaped connecting faces connected with the adjacent side faces, and connecting holes are formed in the side faces and used for allowing screws to penetrate through and be fixed with the pivot shaft 4. The first connecting portion 51 and the second connecting portion 52 are protrusions formed on the sidewall of the sleeve 5.

The first connecting portion 51 is used for connecting the connecting rod assembly 3, and therefore may also be referred to as a connecting rod connecting portion, one end of the connecting rod assembly 3 is connected to the connecting rod connecting portion, and the connecting rod assembly 3 drives the pivot shaft 4 to rotate through the sleeve 5. The second connecting portion 52 is used to connect with the linear damper 8, and therefore the second connecting portion 52 may also be referred to as a damper connecting portion, and one end of the linear damper 8 is connected with the connecting seat 11, and the other end is connected with the damper connecting portion. The second connecting portion 52 is disposed in a staggered manner with the first connecting portion 51 in the circumferential direction of the sidewall of the sleeve 5, that is, the first connecting portion 51 and the second connecting portion 52 are not disposed side by side on the side surface of the sleeve 5, so that the arrangement of the connecting rod assembly 3 and the linear damper 8 is facilitated, and the arrangement conflict between the two is avoided. The linear damper 8 has a telescopic rod 81, one end of the linear damper 8 is fixed to the connecting base 11, and the telescopic rod 81 is connected to the second connecting portion 52 of the casing 5. The linear damper 8 is a one-way damper, in the opening process of the cover body 2, the motor 31 applies force on the first connecting part 51 of the sleeve 5 to enable the pivot shaft 4 to rotate, the telescopic rod 81 of the linear damper 8 is stretched, and no damping is generated in the stretching process of the telescopic rod 81 to avoid increasing the cover opening burden of the motor 31; in the closing process of the cover body 2, the force applied by the driving assembly on the first connecting portion 51 of the sleeve 5 makes the pivot shaft 4 rotate reversely, the telescopic rod 81 of the linear damper 8 is compressed, at this time, the linear damper 8 generates damping to prevent the cover body 2 from falling back quickly, so as to play a role of buffering and achieve the effect of slowly closing the cover.

Referring to fig. 3 and 4 again, two ends of the pivot shaft 4 penetrate through the second shaft seat 211 on the cover body 2 and then are sleeved on the wiring corner connector 7 and fixed with the wiring corner connector 7 through screws, and the wiring corner connector 7 is further fixed on the cover body 2 through screw locking, so that the pivot shaft 4 and the cover body 2 are fixed. The wiring corner connector 7 is a plastic part, two ends of the wiring corner connector 7 are also arranged in a penetrating mode, the shape of an inner cavity of the wiring corner connector 7 is matched with that of the end portion of the pivot shaft 4, and a step surface is further arranged on the inner cavity of the wiring corner connector for abutting against the end face of the pivot shaft 4. The step surface is arranged, on one hand, the step surface can be used for limiting the pivot shaft 4 to be inserted in place, on the other hand, the pivot shaft 4 is used as a metal piece, the end face of the metal piece is cut to form a sharp edge, the step surface shields the edge of the end face of the pivot shaft 4, and the wiring penetrating through the wiring corner connector 7 and a cavity formed by the pivot shaft 4 can be protected from being cut.

Referring to fig. 1 and fig. 2 again, the cover opening and closing device of the present invention is applied to an intelligent trash can, and in one embodiment, the intelligent trash can includes a can body 1, a large cover 21 covering the can body 1, and a small cover 22 covering the large cover 21. In one embodiment, the lid body 2 included in the lid body pivoting mechanism may be a large lid 21, and the connecting seat 11 is a part of the barrel body 1; in another embodiment, the cover 2 included in the cover pivoting mechanism may be a small cover 22, and the connecting seat 11 is a part of the large cover 21.

The following describes the assembly relationship of an embodiment of the opening and closing cover device of the present invention: the first shaft seat 111 of the connecting seat 11 is correspondingly inserted into the second shaft seat 211 of the cover body 2 and the through hole on the first shaft seat 111 is relatively communicated with the through hole on the second shaft seat 211; after one end of the pivot shaft 4 passes through one side ends of the first shaft seat 111 and the second shaft seat 211, the torsion spring 6 and the sleeve 5 are sequentially sleeved on the pivot shaft 4, and then the pivot shaft 4 continuously passes through the other side ends of the first shaft seat 111 and the second shaft seat 211; two ends of the pivot shaft 4 are sleeved in the wiring corner connectors 7, and the wiring corner connectors 7, the sleeve 5 and the limiting piece 65 are fixed on the pivot shaft 4 and the wiring corner connectors 7 are fixed on the cover body 2 by screws; the motor 31 is fixed on the connecting seat 11, the connecting rod assembly 3 is connected between the motor 31 and the sleeve 5, one end of the linear damper 8 is fixed on the connecting seat 11, and the other end of the linear damper is connected on the sleeve 5.

The working process of the embodiment of the cover opening and closing device is as follows: when the cover is opened, the motor 31 is started, the output end 311 of the motor 31 rotates to drive the connecting rod assembly 3 to move, the connecting rod assembly 3 drives the pivot shaft 4 to rotate through the sleeve 5, the pivot shaft 4 rotates to drive the cover body 2 to rotate and open, meanwhile, the torsion spring 6 is compressed by elastic deformation and also provides a force for driving the cover body 2 to rotate and open, and the telescopic rod 81 of the linear damper 8 is driven by the rotation of the sleeve 5 to be stretched; when the cover is closed, the motor 31 is started, the output end 311 of the motor 31 rotates reversely to drive the connecting rod assembly 3 to move reversely, the connecting rod assembly 3 drives the pivoting shaft 4 to rotate reversely through the sleeve 5, the pivoting shaft 4 rotates to drive the cover body 2 to rotate and close, meanwhile, the torsion spring 6 is compressed and deformed, and the telescopic rod 81 of the linear damper 8 is compressed by the reverse rotation of the sleeve 5 to provide damping force and realize the slow closing of the cover body 2.

As can be seen from the above detailed description of the embodiments, the lid pivoting mechanism and the lid opening and closing device having the same provided by the utility model have the following beneficial effects: 1. the pivot shaft and the cover body are separated parts and are fixed on the cover body, so that the structure for pivoting on the cover body is simplified, and the cover body is easy to form; 2. the pivoting shaft is a metal piece, so that the strength of the pivoting shaft is better, the contact area of the pivoting shaft and the cover body is larger, the force transmission is more balanced, the cover body is more stable to open and close, and the pivoting mechanism is not easy to damage; 3. the pivot shaft is arranged in a hollow mode, the weight of the pivot shaft is light, the force for driving the pivot shaft to rotate can be reduced, the load of the driving piece is reduced, and the hollow structure can facilitate wiring of the connecting line and protect the connecting line from being damaged.

Although the present application has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the application, and all changes, substitutions and alterations that fall within the spirit and scope of the application are to be understood as being covered by the following claims.

Claims

1. The cover body pivoting mechanism is characterized by further comprising a pivoting shaft, the pivoting shaft is a hollow metal pipe, the pivoting shaft penetrates through the connecting seat and is connected with the connecting seat in a rotating mode, and the pivoting shaft is fixed on the cover body.

2. The cover pivot mechanism of claim 1 wherein the pivot shaft is a rounded square tube.

3. The lid pivoting mechanism of claim 1, wherein the connecting base has a first axle seat thereon, the lid has a second axle seat thereon, the pivot axle passes through the first axle seat and the second axle seat to pivotally connect the connecting base to the lid, and both ends of the pivot axle are fixed to the lid.

4. The lid pivoting mechanism of claim 3, wherein the lid pivoting mechanism comprises a wire connector that is sleeved on an end of the pivoting shaft, and the wire connector is fixed to the lid.

5. The cover pivoting mechanism of claim 4, wherein the pivot shaft and the routing corner are secured by screws.

6. The lid pivoting mechanism according to claim 1, wherein the pivot shaft has two ends and/or a side wall thereof provided with wire holes.

7. The cover pivot mechanism of claim 1 wherein the side wall of the pivot shaft is provided with a plurality of screw holes, the cover pivot mechanism further comprising a connecting member fixed to the side wall of the pivot shaft by screws.

8. The cover pivot mechanism of claim 7 wherein the cover pivot mechanism includes a linkage assembly, and the connecting member includes a sleeve disposed over the pivot shaft, the sleeve having a link connecting portion connected to the linkage assembly.

9. The lid pivoting mechanism according to claim 8, wherein the lid pivoting mechanism comprises a torsion spring disposed around the pivot shaft, and the connecting member comprises a stopper for limiting the torsion spring to slide on the pivot shaft.

10. A lid opening and closing device, comprising a driving member and a lid pivoting mechanism as claimed in any one of claims 1 to 9, wherein the torque applied to the pivoting shaft by the driving member drives the pivoting shaft to rotate around its central axis to rotate the lid body to open and close relative to the connecting base.